The good, the true, and the beautiful have been honored and pursued since Plato first presented such ideas in the 4th century BC. Humankind has felt that this triad must not only be understood, but lived and actively pursued in order for the human race to continue evolving. If these values are ignored, humankind will stop evolving and begin devolving instead as is perhaps happening in society now as is reflected in rap.
Devolution...
“It is more important to have beauty in one’s equations than to have them fit experiment.” —PAM Dirac